301840

Appears in sequences

• Number of binary strings of length n with equal numbers of 00000 and 11111 substrings.at n=19A164191
• Number of (n+1)X(n+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.at n=11A253691
• Triangle read by rows: T(n,d) is the number of fixed, properly d-dimensional polysticks of size n.at n=19A385582